Male infertility is a major issue worldwide and its causes remain unclear. Now, an international team of researchers led by ...

There are many potential causes of infertility, and it can be challenging to pin down just what the problem is when a couple is having trouble getting pregnant. Now, researchers show that a few key ...

Neil Hunter, a professor in the Department of Microbiology and Molecular Genetics, has discovered a crucial step in how chromosomes stay connected during the development for egg cells and sperm, ...

Brazilian researchers have identified a previously unrecognized function of sperm that is unrelated to reproduction. A study of 13 patients admitted to the Hospital das Clínicas da Universidade de São ...

Sperm are male reproductive (sex) cells. The word "sperm" can refer to spermatozoon (singular) or spermatozoa (plural). Sperm are tiny cells with an oval-shaped body and a long tail. They measure just ...

New multicentre data show that serum testosterone levels and testicular histology help predict sperm retrieval success in ...

A man in his early 20s received a transplant of his own sperm-producing stem cells, which had been frozen since his childhood, in an attempt to regain fertility. Doctors are waiting to see if the ...